Finding the Fourth Proportional to 1,478,159.12, 2,214,983 and 768,417.68
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Solution
The fourth proportional to 1,478,159.12, 2,214,983 and 768,417.68 is: 1,151,453.91
Step by Step Solution
- Step 1: Write the proportion equation
1,478,159.12 : 2,214,983 = 768,417.68 : x - Step 2: Convert to fraction form
1,478,159.12/2,214,983 = 768,417.68/x - Step 3: Cross multiply
1,478,159.12x = 2,214,983 × 768,417.68 - Step 4: Simplify right side
1,478,159.12x = 1,702,032,098,099.44 - Step 5: Solve for x
x = 1,702,032,098,099.44/1,478,159.12 - Step 6: Final answer
x = 1,151,453.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.